%%% Copyright 2010 Google Inc.
%%%
%%% Licensed under the Apache License, Version 2.0 (the "License");
%%% you may not use this file except in compliance with the License.
%%% You may obtain a copy of the License at
%%%
%%%     http://www.apache.org/licenses/LICENSE-2.0
%%%
%%% Unless required by applicable law or agreed to in writing, software
%%% distributed under the License is distributed on an "AS IS" BASIS,
%%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%%% See the License for the specific language governing permissions and
%%% limitations under the License.

%%% @copyright 2010 Google Inc. All Rights Reserved.
%%% @author <jacoby@google.com> Jacoby Thwaites [http://sites/madcloud]
%%% @version {@version}
%%% @doc
%%% Tests for the TXM standalone utility functions module {@link txm_util}.
%%% @see txm_util

-module(txm_util_tests).

-include_lib("eunit/include/eunit.hrl").

%%%----------------------------------------------------------------------------
%%% Tests first/2 function.
%%%----------------------------------------------------------------------------

first_test_() ->
  [
    % Check first non-false result is returned.
    fun() ->
         Ten = txm_util:first(
           fun(Elem) ->
              case Elem of
                three ->
                  10;
                _Others ->
                  false
              end
           end, [one, two, three, four]),
         ?assertEqual(10, Ten)
     end,

    % Check no non-false result returns false.
    fun() ->
         False = txm_util:first(
                   fun(_Elem) ->
                        false
                   end, [one, two, three, four]),
         ?assertEqual(false, False)
    end].
